A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

It seems that the most prevalent thought process when considering a system is how it can help color matching in production.

ORLANDO – May 6, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, invites attendees at NPE 2024 to learn how the company is helping customers solve some of the most pressing challenges facing our industry today, including solutions that enable circularity in addition to solutions that reduce carbon footprint to support sustainability goals, through a dynamic showcase of product launches, sustainability initiatives, and technical seminars.

A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Three Months Ended June 30, 2022 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income attributable to Avient shareholders $ 84.7 $ 0.92 $ 68.8 $ 0.74 Special items, after tax 5.1 0.06 11.7 0.13 Adjusted net income / EPS - excluding special items 89.8 0.98 80.5 0.87 FX adjustment n/a n/a $ (4.9) $ (0.05) Adjusted net income / EPS - excluding special items, adjusted for FX $ 89.8 $ 0.98 $ 75.6 $ 0.82 Reconciliation to Consolidated Statements of Income Three Months Ended June 30, 2022 2021 Results Results FX Adjustment FX Adjusted Results Sales: Color, Additives and Inks $ 649.1 $ 624.4 $ (35.8) $ 588.6 Specialty Engineered Materials 243.9 240.6 (10.5) 230.1 Distribution 443.2 404.4 (0.2) 404.2 Corporate and eliminations (33.8) (34.2) (1.2) (35.4) Sales $ 1,302.4 $ 1,235.2 $ (47.7) $ 1,187.5 Operating income: Color, Additives and Inks $ 93.6 $ 86.3 $ (5.2) 81.1 Specialty Engineered Materials 36.6 37.3 (1.3) 36.0 Distribution 27.1 23.7 — 23.7 Corporate and eliminations (27.8) (39.2) 0.2 (39.0) Operating income 129.5 108.1 (6.3) 101.8 Special items in operating income 4.3 14.2 — 14.2 Adjusted operating income $ 133.8 $ 122.3 $ (6.3) $ 116.0 1 Three Months Ended June 30, 2022 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating Income $ 129.5 $ 4.3 $ 133.8 Income before income taxes $ 114.7 $ 3.4 $ 118.1 Income tax expense - GAAP (30.0) — (30.0) Income tax impact of special items — (0.8) (0.8) Tax adjustments — 2.5 2.5 Net income attributable to noncontrolling interests — — — Net income attributable to Avient shareholders $ 84.7 $ 5.1 $ 89.8 EPS $ 0.92 0.06 $ 0.98 Weighted-average diluted shares 92.1 92.1 92.1 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating Income $ 108.1 $ 14.2 $ 122.3 Income before income taxes $ 89.8 $ 14.2 $ 104.0 Income tax expense - GAAP (20.4) — (20.4) Income tax impact of special items — (3.4) (3.4) Tax adjustments — 0.9 0.9 Net income attributable to noncontrolling interests (0.6) — (0.6) Net income attributable to Avient shareholders $ 68.8 $ 11.7 $ 80.5 EPS $ 0.74 0.13 $ 0.87 Weighted-average diluted shares 92.4 92.4 92.4 Three Months Ended September 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 78.7 $ 20.0 $ 98.7 Income from continuing operations before income taxes $ 61.1 $ 19.9 $ 81.0 Income tax expense - GAAP (8.5) — (8.5) Income tax impact of special items — (4.6) (4.6) Tax adjustments — (3.6) (3.6) Net income attributable to noncontrolling interests 0.3 — 0.3 Net income from continuing operations attributable to Avient shareholders $ 52.9 $ 11.7 $ 64.6 Net income / EPS $ 0.57 $ 0.13 $ 0.70 Weighted-average diluted shares 92.2 92.2 92.2 2 Reconciliation of EBITDA by Segment Year Ended December 31, 2021 Operating income: Color, Additives and Inks $ 303.1 Specialty Engineered Materials 132.0 Distribution 93.2 Corporate and eliminations (147.1) Operating income $ 381.2 Items below OI in Corporate: Other income, net $ (1.3) Depreciation & amortization: Color, Additives and Inks $ 105.7 Specialty Engineered Materials 31.7 Distribution 0.8 Corporate and eliminations 7.7 Depreciation & Amortization $ 145.9 EBITDA: Color, Additives and Inks $ 408.8 Specialty Engineered Materials 163.7 Distribution 94.0 Corporate and eliminations (140.7) EBITDA $ 525.8 Three Months Ended June 30, Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 2021 Net income from continuing operations – GAAP $ 84.7 $ 69.4 $ 230.6 Income tax expense 30.0 20.4 74.0 Interest expense 16.2 19.5 75.3 Depreciation and amortization from continuing operations 36.5 33.8 145.9 EBITDA $ 167.4 $ 143.1 $ 525.8 Special items, before tax 3.4 14.2 57.1 Depreciation and amortization included in special items (1.1) 1.4 (1.7) Adjusted EBITDA $ 169.7 $ 158.7 $ 581.2 3 AVNT Q2 2022 Earnings Presentation - Website v2.pdf AVNT Q2 2022 Earnings Presentation - Website.pdf AVNT Q2 2022 Earnings Presentation - Website AVNT Q2 2022 Earnings Presentation - Website AVNT Q2 2022 Earnings Presentation - Website 7.25 323pm IR Deck - AVNT-2022.06.30.pdf

This Candidate Privacy Notice (“Notice”) sets out how Avient collects, uses or discloses personal information from job applicants and candidates (collectively “you”) when you access or use our careers websites, including https://avient.referrals.selectminds.com/ (the “Sites”). For more information about how Avient processes your personal information for these services and third-party websites, please visit the Avient Corporation Privacy Statement, available at https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement. Before you proceed with your application, we would like to briefly notify you of how we process and protect your personal information.

How does Avient help reduce carbon footprint? As a result of these assessments, we have published additional substance safety summaries on our Avient website and will continue to update internal and external stakeholders on material handling and environmental considerations. They find their way to landfills instead of being recycled.

Corporate Responsibility • Provide oversight and guidance with regard to how the Board and management evaluate and integrate corporate responsibility and sustainability matters into the Company’s business strategy and decision-making, including overseeing risks relating to the Company's programs, policies, and practices on sustainability and environmental, social, and governance matters, by receiving regular updates from management, as well as reviewing reports on corporate responsibility and/or sustainability published by the Company.

If you do not have a number, see How to get a TIN, later. For the latest information about developments related to Form W-9 and its instructions, such as legislation enacted after they were published, go to www.irs.gov/FormW9.

Corporate Responsibility Provide oversight and guidance with regard to how the Board and management evaluate and integrate corporate responsibility and sustainability matters into the Company’s business strategy and decision-making, including overseeing risks at a strategic level relating to the Company's programs, policies, and practices on sustainability and environmental, social, and governance matters, by receiving regular updates from management, as well as reviewing reports on corporate responsibility and/or sustainability published by the Company.

website at the onset of the event.